Most expensive Serie A sales of 2026 January transfer window

Ademola Lookman was the most expensive Serie A sale of the 2026 January transfer window, but Napoli could match the same fee if Lorenzo Lucca’s loan move to Nottingham Forest is made permanent. Here is a reminder of the most expensive departures of the winter transfer window. 

The Serie A transfer window came to a close at 19.00 GMT on Monday, February 2. Lookman was the second most expensive deadline day transfer in the world with his €35m switch from Atalanta to Atletico Madrid (not including bonuses). 

•  Read more: Top 10 most expensive Serie A signings of January transfer window

Lazio were among the most active Serie A sides during the January transfer window, and raised just shy of €60m through their sales of Taty Castellanos to West Ham and Matteo Guendouzi to Fenerbahce. 

Lorenzo Lucca is an interesting case, as he was technically bought outright by Napoli from Udinese, and then sent out on loan to Nottingham Forest with an option to buy. His two moves this month could turn out to be worth in excess of €60m.

Here are the most expensive permanent sales of the January transfer window, and a list of the most significant loans with option to buy. 

Most expensive permanent sales of Serie A January transfer window 

1. Ademola Lookman: Atalanta → Atletico Madrid €35m
2. Taty Castellanos: Lazio → West Ham €29m
3. Matteo Guendouzi: Lazio → Fenerbahce €28m
4. Lorenzo Lucca: Udinese → Napoli €26m
5. Tammy Abraham: Roma → Besiktas €15m

Notable loans with options to buy

1. Lorenzo Lucca: Napoli → Nottingham Forest on loan with €35m option to buy
2. Noa Lang: Napoli → Galatasaray on loan with €28m option to buy
3. Douglas Luiz: Juventus → Aston Villa with €25m option to buy
4. Christos Mandas: Lazio → AFC Bournemouth on loan with €18.5m option to buy
5. Daniel Maldini: Atalanta → Lazio on loan with €15.5m option to buy
6. Marco Brescianini: Atalanta → Fiorentina on loan with €10m option to buy